Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281304 | Electric circuit switchgear | Vitaly I. Koshman, Vladimir F. Petrichenko, Boris S. Gnilitsky, Vyacheslav G. Mironenko | 1981-07-28 |
| 4277766 | Electric circuit switching device | Vitaly I. Koshman, Vladimir F. Petrichenko | 1981-07-07 |